Ball joints are spherical bearings that connect the control arms to the steering knuckles.
Bushings also called plain bearings, operate with sliding motion between the moving surfaces.
A control arm, also known as A-arm, is a hinged suspension link between the chassis and the suspension upright or hub that carries the wheel.
Brake pads are steel backing plates with friction material bound to the surface that faces the disc brake rotor.
A drum brake is a brake that uses friction caused by a set of shoes or pads that press against a rotating drum-shaped part called a brake drum.
